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Table 2 IVF/ICSI outcomes for each oocyte-stratified group

From: Cumulative live birth rates according to the number of oocytes retrieved following the “freeze-all” strategy

Variables

Group 1 (N = 109)

Group 2 (N = 1553)

Group 3 (N = 987)

Group 4 (N = 211)

Group5 (N = 36)

Age (years)

28(25–31)

28(26–30)

28(25–30)

28(25–30)

27(25–30)

BMI (kg/m2)

20.8(19.3–23.0) bcd

21.5(19.6–23.9) αβ

22.0(20.3–24.6)

22.6(20.8–25.0)

23.4(20.8–26.6)

Basal FSH (IU/L)

6.4(5.24–7.45) bcd

6.1(5.22–7.14) αβγ

5.7(4.95–6.76)

5.6(4.82–6.48)

5.5(4.63–6.36)

Basal LH (IU/L)

5.57(3.98–7.22)

5.53(4.18–7.78) β

5.72(4.29–8.49)

6.43(4.55–9.09)

6.93(4.70–8.67)

Peak E2 on HCG day (IU/L)

6358(3425–8676) bcd

6966(4754–9122) αβγ

7778(5314–9732)

8038(5477–10,929)

8863(5696–11,939)

Basal AFC (n)

14(10–20)bcd

17(12–22) βγ

20(14–24)

22(15–24)

24(22.5–24)

Gn dosage (IU)

1575(1231–1925)

1537(1237–1950) β

1575(1275–2062)

1637(1312–2387)

1631(1406–2493)

Fertilization rate (%)

0.70(0.60–0.88) bcd

0.71(0.57–0.81) αβ

0.67(0.55–0.76)

0.67(0.56–0.75)

0.62(0.53–0.74)

CCPR [%(n/N)]

81.65(89/109) abcd

92.85(1442/1553) α

95.74(945/987)

95.73(202/211)

97.22(35/36)

CLBR [%(n/N)]

72.48(79/109) abcd

90.28(1402/1553) α

93.82(926/987)

95.26(201/211)

97.22(35/36)

  1. Note: Data are presented as medians (interquartile ranges, IQRs)
  2. BMI Body mass index, FSH Follicle-stimulating hormone, LH Luteinizing hormone, AFC Antral follicular count, Gn gonadotropin, CCPR Cumulative clinical pregnancy rate, CLBR Cumulative live birth rate, NS nonsignificant, defined as P ≥ 0.05
  3. The differences between groups (Bonferroni correction, P < 0.05/10) are indicated by superscripts:
  4. aP, bP, cP and dP indicate group 1 vs. groups 2, 3, 4, and 5, respectively
  5. αP, βP and γP indicate group 2 vs. groups 3, 4and 5, respectively
  6. P and P indicate group3 vs. groups 4 and 5, respectively
  7. *P indicates group 4 vs. group 5